<template>
  <div class="home">
    <el-container>
      <el-header>Header</el-header>
      <el-container>
        <el-aside width="200px">
          <el-menu default-active="1" class="el-menu-vertical-demo">
            <el-menu-item index="1" @click="xue">
              <span slot="title">学生管理</span>
            </el-menu-item>
            <el-menu-item index="2" @click="shi">
              <span slot="title">教师管理</span>
            </el-menu-item>
            <el-menu-item index="3">
              <span slot="title">助教管理</span>
            </el-menu-item>
          </el-menu>
        </el-aside>
        <el-main>
          <div v-show="!isShow">
            <Student></Student>
          </div>
          <div v-show="isShow">
            <Teacher></Teacher>
          </div>
        </el-main>
      </el-container>
    </el-container>
  </div>
</template>

<script>
import Student from "../components/Student";
import Teacher from "../components/Teacher";
export default {
  components: {
    Student,
    Teacher
  },
  data() {
    return {
      isShow: false
    };
  },
  methods: {
    xue() {
      this.isShow = false;
    },
    shi() {
      this.isShow = true;
    },
     
  },
  
};
</script>

<style>
.el-header,
.el-footer {
  background-color: #b3c0d1;
  color: #333;
  text-align: center;
  line-height: 60px;
}

.el-aside {
  background-color: #d3dce6;
  color: #333;
  text-align: center;
  line-height: 200px;
}

.el-main {
  background-color: #e9eef3;
  color: #333;
  text-align: center;
  line-height: 160px;
}

body > .el-container {
  margin-bottom: 40px;
}

.el-container:nth-child(5) .el-aside,
.el-container:nth-child(6) .el-aside {
  line-height: 260px;
}

.el-container:nth-child(7) .el-aside {
  line-height: 320px;
}
</style>
